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CVE-2026-15132 is a high-severity memory-initialization vulnerability in the V8 JavaScript engine used by Google Chrome. The flaw is described as an uninitialized use condition affecting Chrome versions prior to 150.0.7871.115. A remote attacker can trigger the issue by causing the target to process a crafted HTML page containing malicious web content. Successful exploitation can result in arbitrary code execution within the Chrome sandbox. As an uninitialized memory flaw in the browser’s script engine, the issue may also expose sensitive information from process memory or serve as a primitive for additional exploitation.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity Chrome vulnerability involving improper initialization of memory in the JavaScript engine that may expose sensitive information or aid further exploitation.
A high-severity uninitialized use vulnerability in Chrome's V8 JavaScript engine.
A high-severity uninitialized use vulnerability in Chrome's V8 engine.
A high-severity uninitialized use vulnerability in V8 affecting Google Chrome prior to version 150.0.7871.115, allowing remote code execution inside the sandbox via a crafted HTML page.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.